Happy 75th birthday Bugs Bunny! See the evolution of the most famous rabbit

This famous bunny hopped onto the scene in 1940 and he's bounced himself right into superstardom over the years with his famous phrases like, 'What's up, Doc?" and his even more famous rivalry with Elmer Fudd. While Bug is easily one of the most famous bunnies around, he's changed a ton through the years and his look and style have gone through several iterations.